CN202127080U - Four-way microwave switch matrix system - Google Patents
Four-way microwave switch matrix system Download PDFInfo
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- CN202127080U CN202127080U CN2011200633519U CN201120063351U CN202127080U CN 202127080 U CN202127080 U CN 202127080U CN 2011200633519 U CN2011200633519 U CN 2011200633519U CN 201120063351 U CN201120063351 U CN 201120063351U CN 202127080 U CN202127080 U CN 202127080U
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Abstract
The utility model discloses a four-way microwave switch matrix system, comprising a Tx path and an Rx pass independent from each other; output of a power supply respectively provides power to the Tx path and Rx pass through a Tx conversion switch and an Rx conversion switch; Tx path and Rx pass respectively comprise four single-pole double-throw radio frequency switches connected correspondingly between the paths to form two paths. Conversion of paths in the Tx and Rx paths can be completed respectively by switching the Tx and Rx conversion switches so as to form a combination of four sending and receiving paths. The utility model selects and uses low loss and highly isolated radio frequency switches to realize technical function and optimized control logic to make the system simple to operate with only one conversion switch to control on or off of signals of a main path and an auxiliary path which are self-defined. Therefore, the cost and difficulty to build the system are reduced, the reliability of the system is improved and meanwhile the user is convenient to use the four-way microwave switch matrix system.
Description
Technical field
The utility model relates to the microwave device technical field, specifically be a kind of 950-1750MHz of being applicable to frequency range microwave No. four microwave switch matrix systems.
Background technology
The microwave switch matrix system generally requires microwave switch to have lower Insertion Loss, higher isolation, lower standing wave, inband flatness and the bigger power etc. that passes through preferably.And can realize miniaturization, the simple microwave switch matrix of logic, on present domestic market also in minority, because its high integrated and miniaturization, so in the very difficult assurance above-mentioned requirements such as welding procedure of structure processing, material; Next is exactly a complex structure, is not easy debugging, and production in enormous quantities is restricted.
Summary of the invention
The purpose of the utility model is the deficiency to prior art, and a kind of No. four microwave switch matrix systems of the 950-1750MHz of being applicable to frequency range microwave are provided, its compact conformation, and debugging can be satisfied the requirement of microwave switch matrix system effectively easily.
Be to realize above-mentioned purpose, the technical scheme that the utility model is taked is: No. four microwave switch matrix systems, comprise power unit, and independently Tx path and Rx path separately; The output of said power unit is respectively the Tx path through Tx change over switch and Rx change over switch and the Rx path provides power supply;
Said Tx path comprises 4 single-pole double throw RF switch, i.e. a Tx path input switch, Tx path output switch, the 2nd Tx path input switch, the 2nd Tx path output switch; The first passage of the one Tx path input switch connects the second channel of the 2nd Tx path input switch; The second channel of the one Tx path input switch connects the second channel of Tx path output switch; The first passage of the 2nd Tx path input switch connects the first passage of the 2nd Tx path output switch, and the second channel of the 2nd Tx path output switch connects the first passage of Tx path output switch;
Said Rx path comprises 4 single-pole double throw RF switch, i.e. a Rx path input switch, Rx path output switch, the 2nd Rx path input switch, the 2nd Rx path output switch; The first passage of the one Rx path input switch connects the second channel of the 2nd Rx path input switch; The second channel of the one Rx path input switch connects the second channel of Rx path output switch; The first passage of the 2nd Rx path input switch connects the first passage of the 2nd Rx path output switch, and the second channel of the 2nd Rx path output switch connects the first passage of Rx path output switch.
A kind of improvement as the utility model; Power unit comprises the AC/DC modular converter; The AC/DC modular converter is exported after converting external power frequency AC into direct current, and the AC/DC modular converter can use ripe circuit of the prior art, also can use correlation function components and parts of the prior art.
As a kind of improvement of the utility model, the signalling channel of each switch connects sub-miniature A connector respectively in said Tx path and the Rx path.When using, can select to transmit and receive the corresponding connectivity port of microwave signal according to the break-make of related pathways under Tx and the control of Rx change over switch.
As a kind of improvement of the utility model, in said Tx path and the Rx path between each switch the connection of passage be through radio frequency cable.Its more excellent capability of electromagnetic shielding greatly reduces the error of microwave signal transmission in the system.
A kind of improvement as the utility model also comprises cabinet; Each switch and power unit in said Tx path and the Rx path are located in the cabinet; The control button of Tx change over switch and Rx change over switch is located at the cabinet surface; Cabinet is provided with earthing rod, and earthing rod connects the earth terminal of DC power supply part.Also be provided with radiator fan on the cabinet, power unit is that radiator fan provides power supply.In the practical application, the global design of the power supply of above-mentioned formation collection, heat radiation, shielding has improved system power supply efficient, has effectively improved system radiating and guaranteed effectiveness preferably.
The beneficial effect of the utility model is: when using, can receive the switching of input and output in the path through separate realization two-way emission of simple manually control and two-way, thereby realize four kinds of transmission reception place mixs; The utility model miniaturization simple in structure, debugging is convenient, and cost is low; Owing to adopted volume little, Insertion Loss is little, the single-pole double throw RF switch that isolation is high simultaneously; Improve the global index of system, guaranteed the shielding box transmission performance that it is good; The utility model is being guaranteed under the prerequisite of performance simultaneously, and optimized logic control scheme has been used in design, makes simple in structure, cost reduce.
Description of drawings
Fig. 1 is the theory diagram of the utility model;
Fig. 2 .1 is the structural representation of present embodiment;
Fig. 2 .2 is the vertical view of Fig. 2 .1;
Fig. 2 .3 is the upward view of Fig. 2 .1;
Among Fig. 2 .1 to Fig. 2 .3, switch-16/18 is imported/gone out to the Tx main road, and switch-15/17 is imported/gone out to the Tx bypass, and switch-14/12 is imported/gone out to the Rx main road; Switch-13/11,16 a radio frequency cable respective figure mark 201-216 is imported/gone out to the Rx bypass, and sub-miniature A connector-38/36 is imported/gone out to the Tx main road, and sub-miniature A connector-37/35 is imported/gone out to the Tx bypass; Sub-miniature A connector-34/32 is imported/gone out to the Rx main road, and sub-miniature A connector-33/31 is imported/gone out to the Rx bypass, AD modular converter-4, three-phase alternating current socket-5; 2 fan respective figure marks 61,62, earthing rod-7, power switch button-8; Tx change over switch-91, Rx change over switch-92, cabinet-10.
Embodiment
For the content that makes the utility model is more obviously understandable, do further analysis below in conjunction with accompanying drawing and embodiment.
In conjunction with shown in Figure 1, the utility model comprises power unit, Tx change over switch, Rx change over switch and independently Tx path and Rx path separately; The output of said power unit is respectively the Tx path through Tx change over switch and Rx change over switch and the Rx path provides power supply;
The Tx path comprises 4 single-pole double throw RF switch; Promptly a Tx path input switch, Tx path output switch, the 2nd Tx path input switch, the 2nd Tx path are exported switch; Identification in the practical application for the benefit of of above-mentioned four switches is defined as successively: Tx main road input switch, Tx main road output switch, Tx bypass input switch, Tx bypass output switch; The first passage of Tx main road input switch connects the second channel of Tx bypass input switch; The second channel of Tx main road input switch connects the second channel of Tx main road output switch; The first passage of Tx bypass input switch connects the first passage of Tx bypass output switch, and the second channel of Tx bypass output switch connects the first passage of Tx main road output switch;
The Rx path comprises 4 single-pole double throw RF switch, i.e. a Rx path input switch, Rx path output switch, the 2nd Rx path input switch, the 2nd Rx path output switch; Identification in the practical application for the benefit of of above-mentioned four switches is defined as successively: Rx main road input switch, Rx main road output switch, Rx bypass input switch, Rx bypass output switch; The first passage of Rx main road input switch connects the second channel of Rx bypass input switch; The second channel of Rx main road input switch connects the second channel of Rx main road output switch; The first passage of Rx bypass input switch connects the first passage of Rx bypass output switch, and the second channel of Rx bypass output switch connects the first passage of Rx main road output switch;
Power unit adopts the AC/DC modular converter; The mains switch of external power frequency AC through supply socket and serial connection is connected with fuse to be exported after the AC/DC modular converter converts alternating current into direct current; For independently Tx path and Rx path power supply is provided through Tx change over switch and Rx change over switch, i.e. Tx path power supply Vdc1 and Rx path power supply Vdc2, the first passage of 8 RF switches and second channel are connected the power end and the earth terminal of its corresponding power supply respectively in the present embodiment; When power end is high level; First passage and signalling channel are connected, and when power end was low level, second channel and signalling channel were connected; Then break off or will switch when connecting the Tx change over switch connection of main road in the Tx path transmission path or bypass; When breaking off like: Tx change over switch, the power end of four switches is a low level in the Tx path, makes its port 2 conductings; Therefore the signalling channel conducting between Tx main road input switch and the Tx main road output switch in the transmission path, and the signalling channel between input of Tx bypass and the Tx bypass output switch is ended; And the Tx change over switch is when closed; The power end of four switches is a high level in the Tx path; Make its first passage conducting; Therefore the signalling channel between Tx main road input switch and the Tx main road output switch is ended in the transmission path, and the signalling channel conducting between input of Tx bypass and the Tx bypass output switch.
Through breaking off or will switching the connection that the Rx path receives main road in the path or bypass when connecting the Rx change over switch, reception path conversion and control principle is carried out the principle of control transformation to sendaisle with above-mentioned Tx change over switch.
Above-mentioned control has formed sends and receives independently each two paths of path, has formed alternative four kinds according to the principle of permutation and combination and has sent the receive paths combination.Except that present embodiment, the type of attachment of passage constitutes with the equivalence of the foregoing description beneficial effect four kinds and sends receive paths and make up between corresponding states that can also be through changing each switch passage and power supply and each switch.
Shown in Fig. 2 .1 to Fig. 2 .3: 8 single-pole double throw RF switch in the utility model system, 16 radio frequency cables, AD modular converter, 2 fans all place 19 inches cabinets; 8 N change sub-miniature A connector, 2 change over switches and mains switch and are arranged on the casing; Also be provided with earthing rod on the shell, the global design of formed the collection power supply, dispelling the heat, shielding.The microwave switch matrix system of the utility model can reach following technical indicator:
Function: the independent any switching that realizes transmitting and receiving two inputs and output;
Operating frequency: 950～1750MHz;
Insertion Loss :≤2dB;
Isolation:; >=80dB;
Switching time :≤10mS;
Standing-wave ratio :≤1.8;
Control: manually control;
Interface type: N-K;
Power supply: 220V (interchange).
The case of practical implementation described in the utility model is merely the preferable case study on implementation of the utility model, is not the practical range that is used for limiting the utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be as the technological category of the utility model.
Claims (6)
1. No. four microwave switch matrix systems comprise power unit, it is characterized in that, also comprise separately independently Tx path and Rx path; The output of said power unit is respectively the Tx path through Tx change over switch and Rx change over switch and the Rx path provides power supply;
Said Tx path comprises 4 single-pole double throw RF switch, i.e. a Tx path input switch, Tx path output switch, the 2nd Tx path input switch, the 2nd Tx path output switch; The first passage of the one Tx path input switch connects the second channel of the 2nd Tx path input switch; The second channel of the one Tx path input switch connects the second channel of Tx path output switch; The first passage of the 2nd Tx path input switch connects the first passage of the 2nd Tx path output switch, and the second channel of the 2nd Tx path output switch connects the first passage of Tx path output switch;
Said Rx path comprises 4 single-pole double throw RF switch, i.e. a Rx path input switch, Rx path output switch, the 2nd Rx path input switch, the 2nd Rx path output switch; The first passage of the one Rx path input switch connects the second channel of the 2nd Rx path input switch; The second channel of the one Rx path input switch connects the second channel of Rx path output switch; The first passage of the 2nd Rx path input switch connects the first passage of the 2nd Rx path output switch, and the second channel of the 2nd Rx path output switch connects the first passage of Rx path output switch.
2. No. four microwave switch matrix systems according to claim 1 is characterized in that said power unit comprises the AC/DC modular converter, and the AC/DC modular converter is exported after converting external power frequency AC into direct current.
3. No. four microwave switch matrix systems according to claim 1 is characterized in that the signalling channel of each switch connects sub-miniature A connector respectively in said Tx path and the Rx path.
4. No. four microwave switch matrix systems according to claim 1 is characterized in that, in said Tx path and the Rx path between each switch the connection of passage be through radio frequency cable.
5. according to any described No. four microwave switch matrix systems of claim 1 to 4, it is characterized in that, comprise cabinet; Each switch and power unit in said Tx path and the Rx path are located in the cabinet; The control button of Tx change over switch and Rx change over switch is located at the cabinet surface; Cabinet is provided with earthing rod, and earthing rod connects the earth terminal of DC power supply part.
6. No. four microwave switch matrix systems according to claim 5 is characterized in that cabinet is provided with radiator fan, and power unit is that radiator fan provides power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200633519U CN202127080U (en) | 2011-03-11 | 2011-03-11 | Four-way microwave switch matrix system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200633519U CN202127080U (en) | 2011-03-11 | 2011-03-11 | Four-way microwave switch matrix system |
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| Publication Number | Publication Date |
|---|---|
| CN202127080U true CN202127080U (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200633519U Expired - Lifetime CN202127080U (en) | 2011-03-11 | 2011-03-11 | Four-way microwave switch matrix system |
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| CN (1) | CN202127080U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321470A (en) * | 2017-12-12 | 2018-07-24 | 中国航天时代电子公司 | A kind of modular extendable microwave switching matrix |
| CN108318718A (en) * | 2017-12-26 | 2018-07-24 | 北京航天测控技术有限公司 | A method of it improving high-density matrix and switchs bandwidth performance |
| CN110518925A (en) * | 2019-08-29 | 2019-11-29 | 成都锦江电子系统工程有限公司 | A kind of high dynamic response signal receiving channel |
-
2011
- 2011-03-11 CN CN2011200633519U patent/CN202127080U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321470A (en) * | 2017-12-12 | 2018-07-24 | 中国航天时代电子公司 | A kind of modular extendable microwave switching matrix |
| CN108321470B (en) * | 2017-12-12 | 2020-04-07 | 中国航天时代电子公司 | Modular expandable microwave switch matrix |
| CN108318718A (en) * | 2017-12-26 | 2018-07-24 | 北京航天测控技术有限公司 | A method of it improving high-density matrix and switchs bandwidth performance |
| CN110518925A (en) * | 2019-08-29 | 2019-11-29 | 成都锦江电子系统工程有限公司 | A kind of high dynamic response signal receiving channel |
| CN110518925B (en) * | 2019-08-29 | 2024-04-09 | 成都锦江电子系统工程有限公司 | High dynamic response signal receiving channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120125 |